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H. 'J. MULLER. COMBINED BOOK MARK AND PAPER CUTTER No. 497,454.- Patented May 16,1893.

A TTOHNZ Y8.

UNITED STATES PATENT OFFICE.

HERMANN J. MULLER, OF NElV YORK, N. Y.

COMBINED BOOK-MARK AND PAPER-CUTTER.

SPECIFICATION forming part of Letters Patent N 0. 497,454, dated May 16, 1893.

Application filed November 26, 1892! Serial No. 453,275. (No model.)

To all whom it may concern.-

Be it known that I, IIERMANN J. MULLER, a citizen of the United States, residing in the city of New York, in the county and State of New York, have invented certain new and useful Improvements in a Combined Book- Mark and Paper-Cutter, of which the following is a specification.

This invention relates to a combined bookmark and paper cutter in which an interchangeable head is used in connection with the device, so as to adapt the same to different tastes and applications; and the invention consists of a combined book-mark and papercutter, which is composed of a cutting blade a detachable head-piece or terminal applied to the shank of, the blade and a spring that is retained in a keeper of the head-piece, so that the blade can be used as a book-mark whenever required 1" or this purpose.

In the accompanying drawings, Figure 1 represents a front-elevation of my improved book-mark and paper-cutter. Fig. 2 is a rearelevation of the same. Fig. 3 is a vertical transverse section, on line 3 3, Fig. 1. Figs- 4 and 5 are horizontal sections, respectively on line 1 4, Fig. 1, and line 5 5, Fig. 2, and Fig. 6 is a detail vertical transverse section of the interchangeable head-piece, showing the connection of the blade with the headpiece and the retaining spring on a larger scale.- 1

Similar letters of reference indicatecorresponding parts.

Referring to the drawings, A represents the cutting blade of my improved book-mark and paper-cutter, which is preferably made of aluminium, so as to diminish as much as possi: ble the-weight of the device. The cutting blade A is provided at one end with a dovetailed shank a,'which is of less width than the blade and which is inserted into a dovetailed recess 5 of the head-piece or terminal B, which is made of aluminium or other light metal, said head-piece representing the head of any poet, artist or person of note or a suitable ornamental device or figure. The connection of the shank a with the recess b of the head-piece or terminal B is made in such a manner that the blade is not liable to become loose by use, but that the head-piece can be detached from the blade when resaid spring being provided with a bent-down portion cl at its upper end and with a notch or depression (1 by which it is retained in position in the keeper, the lower and longer end of the spring 0 serving in connection with the blade A, when the device is to be used as a book-mark, to retain the blade in position on the leaf to be marked. The upper bent end of the spring 0 exerts a spring-action on the lower longer part of the spring and presses it against the blade A.- By pressing the upper end d toward the head-piece B the lower end of the spring 0 is released from the leaf,

as shown in dotted lines in Fig. 6, so as to enpiece and shank the blade can be used as a book-mark or a paper-cutter as desired.

My improved book-mark and paper-cutter has the advantage, first, that it combines the use of two separate articles in one device, namely, a paper-cutter and a book-mark; secondly, that it permits of many different shapes, owing to the interchangeable head-piece and,

thirdly, that it supplies an article of great lightness, tastefulness and convenience.

Having thus described my invention, I claim as new and desire to secure by Letters Patent- 1. A combined book-mark and paper-cutter, composed of a cutting blade, a head-piece or terminal attached to the shank of the blade and provided with a keeper at its rear part and aretaining spring inserted in said keeper and adapted to be applied to the leaf, so that a notch or depression below said bent end, the device can be used as a book-mark, subsubstantially as set forth. stantially as set forth. In testimony that I claim the foregoing as 2. A combined book-mark and paper-cutmy invention I have signed my name in pres- 5 ter, composed of a cutting blade having a ence of two subscribing Witnesses.

shank at one end, a detachable head-piece or terminal having a recess for said shank, a HERMANN J. MULLER. keeper at the rear part of the head-piece, and Witnesses: a retaining spring inserted into said keeper PAUL GOEPEL,

10 and provided with a bent-over upper end and HARRY WVILLARD GRIFFITHS. 

